Velocity Calculator

Your details

Pick the information you have. Basic divides distance by time; acceleration adds a·t to a start speed; segments averages several legs.
The straight-line distance from start to finish, in the direction of travel.
How long the motion took.
Velocity
10m/s
Kilometres per hour36km/h
Miles per hour22.37mph
Feet per second32.81ft/s
m/s10
km/h36
mph22.37

The velocity is 10.00 m/s (36.0 km/h, 22.4 mph).

  • Average velocity is displacement ÷ time: it captures the net change in position, not the path length.
  • Velocity is a vector: a full lap that returns to the start has zero average velocity even though speed was non-zero.
  • 1 m/s equals 3.6 km/h and about 2.237 mph, so multiply by 3.6 to read km/h.

Next stepSwitch the mode or units to recompute, or use the acceleration calculator to see how this velocity was reached.

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